Rozwiąż i sprawdź równania:
a)12x+6-8x=14
b)-2x+9+5x= -18
a) 12x-8x=14-6
4x=8|:4
x=2
b)-2x+5x=-18-9
3x=-27|:3
x=-9
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a) 12x-8x=14-6
4x=8|:4
x=2
b)-2x+5x=-18-9
3x=-27|:3
x=-9